Arizer Stem Cap (4-Pack) for Air (2), Solo (2)

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These stem caps (pack of 4) are compatible with the Air, Air 2, Soloand the Solo 2 mouthpieces. The small size makes it susceptible to being misplaced. This is one accessory that’s easily lost. Fortunately, it’s also very easy to replace as you can buy a four-piece pack for a few dollars. With the stem cap pack, you can now prepack your own daily supply while also ensuring that the contents don’t lose their taste and potency. The material is made of high-grade silicone that is also heat-resistant. Because they are classified as food grade, you don’t have to worry about toxicity.